diff --git a/web3.js/src/stake-program.js b/web3.js/src/stake-program.js
index 01dbb947c0..19b5bdb8d6 100644
--- a/web3.js/src/stake-program.js
+++ b/web3.js/src/stake-program.js
@@ -646,6 +646,7 @@ export class StakeProgram {
       keys: [
         {pubkey: stakePubkey, isSigner: false, isWritable: true},
         {pubkey: authorityBase, isSigner: true, isWritable: false},
+        {pubkey: SYSVAR_CLOCK_PUBKEY, isSigner: false, isWritable: false},
       ],
       programId: this.programId,
       data,